315790720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{70489}}^1$

素因数の和:70515

約数の個数: 64

約数和(自身を含む): 862797600

約数和(自身を除く): 547006880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 70489, 140978, 281956, 352445, 493423, 563912, 704890, 986846, 1127824, 1409780, 1973692, 2255648, 2467115, 2819560, 3947384, 4511296, 4934230, 5639120, 7894768, 9022592, 9868460, 11278240, 15789536, 19736920, 22556480, 31579072, 39473840, 45112960, 63158144, 78947680, 157895360, 315790720]

約数ペア:

[(1, 315790720), (2, 157895360), (4, 78947680), (5, 63158144), (7, 45112960), (8, 39473840), (10, 31579072), (14, 22556480), (16, 19736920), (20, 15789536), (28, 11278240), (32, 9868460), (35, 9022592), (40, 7894768), (56, 5639120), (64, 4934230), (70, 4511296), (80, 3947384), (112, 2819560), (128, 2467115), (140, 2255648), (160, 1973692), (224, 1409780), (280, 1127824), (320, 986846), (448, 704890), (560, 563912), (640, 493423), (896, 352445), (1120, 281956), (2240, 140978), (4480, 70489)]